+ self.socket.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1) # Does Python make SOL_TCP portable? Who knows, it's not documented, and it appears to come from the _socket C lib.
+ self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 0, 0))
+ self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)